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A pseudoallergy is a condition named for its similar presentation to a true allergy, though due to different causes.[1]

It may be due to alterations in the metabolism of histamine.[2]

It can be the cause of some forms of food intolerance.[3]


  1. ^ Arnaldo Cantani (2008). Pediatric allergy, asthma and immunology. Springer. pp. 697–. ISBN 978-3-540-20768-9. Retrieved 21 June 2010.
  2. ^ Reese I, Zuberbier T, Bunselmeyer B, et al. (January 2009). "Diagnostic approach for suspected pseudoallergic reaction to food ingredients". J Dtsch Dermatol Ges. 7 (1): 70–7. doi:10.1111/j.1610-0387.2008.06894.x. PMID 19054425.
  3. ^ Zopf Y, Baenkler HW, Silbermann A, Hahn EG, Raithel M (May 2009). "The differential diagnosis of food intolerance". Dtsch Arztebl Int. 106 (21): 359–69, quiz 369–70, 4 p following 370. doi:10.3238/arztebl.2009.0359. PMC 2695393. PMID 19547751.